mirror of
https://github.com/hoernschen/dendrite.git
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83 lines
3 KiB
Go
83 lines
3 KiB
Go
// Copyright 2020 The Matrix.org Foundation C.I.C.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package version
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import (
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"fmt"
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"github.com/matrix-org/gomatrixserverlib"
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)
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// DefaultRoomVersion contains the room version that will, by
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// default, be used to create new rooms on this server.
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func DefaultRoomVersion() gomatrixserverlib.RoomVersion {
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return gomatrixserverlib.RoomVersionV9
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}
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// RoomVersions returns a map of all known room versions to this
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// server.
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func RoomVersions() map[gomatrixserverlib.RoomVersion]gomatrixserverlib.RoomVersionDescription {
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return gomatrixserverlib.RoomVersions()
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}
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// SupportedRoomVersions returns a map of descriptions for room
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// versions that are supported by this homeserver.
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func SupportedRoomVersions() map[gomatrixserverlib.RoomVersion]gomatrixserverlib.RoomVersionDescription {
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return gomatrixserverlib.SupportedRoomVersions()
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}
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// RoomVersion returns information about a specific room version.
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// An UnknownVersionError is returned if the version is not known
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// to the server.
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func RoomVersion(version gomatrixserverlib.RoomVersion) (gomatrixserverlib.RoomVersionDescription, error) {
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if version, ok := gomatrixserverlib.RoomVersions()[version]; ok {
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return version, nil
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}
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return gomatrixserverlib.RoomVersionDescription{}, UnknownVersionError{version}
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}
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// SupportedRoomVersion returns information about a specific room
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// version. An UnknownVersionError is returned if the version is not
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// known to the server, or an UnsupportedVersionError is returned if
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// the version is known but specifically marked as unsupported.
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func SupportedRoomVersion(version gomatrixserverlib.RoomVersion) (gomatrixserverlib.RoomVersionDescription, error) {
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result, err := RoomVersion(version)
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if err != nil {
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return gomatrixserverlib.RoomVersionDescription{}, err
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}
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if !result.Supported {
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return gomatrixserverlib.RoomVersionDescription{}, UnsupportedVersionError{version}
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}
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return result, nil
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}
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// UnknownVersionError is caused when the room version is not known.
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type UnknownVersionError struct {
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Version gomatrixserverlib.RoomVersion
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}
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func (e UnknownVersionError) Error() string {
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return fmt.Sprintf("room version '%s' is not known", e.Version)
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}
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// UnsupportedVersionError is caused when the room version is specifically
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// marked as unsupported.
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type UnsupportedVersionError struct {
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Version gomatrixserverlib.RoomVersion
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}
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func (e UnsupportedVersionError) Error() string {
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return fmt.Sprintf("room version '%s' is marked as unsupported", e.Version)
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}
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